In this article, we discuss the different types of guitar pedals. We explain what you should know about each type and how to find the right type for your needs.
They can have similar results, but the approach is different. A vocoder takes two inputs (ie. guitar and microphone) and harmonizes them, outputting a mixed electrical signal after combining. A talk box plays a single input audio (guitar) through a speaker and the sound travels up a tube to the performer's mouth, which the performer uses to shape the sound. The audio is then captured by a microphone.